Home / 26,921.23-40,381.88-7,199.78

Finding the Fourth Proportional to 26,921.23, 40,381.88 and 7,199.78

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Solution

The fourth proportional to 26,921.23, 40,381.88 and 7,199.78 is: 10,799.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,921.23 : 40,381.88 = 7,199.78 : x
  2. Step 2: Convert to fraction form
    26,921.23/40,381.88 = 7,199.78/x
  3. Step 3: Cross multiply
    26,921.23x = 40,381.88 × 7,199.78
  4. Step 4: Simplify right side
    26,921.23x = 290,740,414.08
  5. Step 5: Solve for x
    x = 290,740,414.08/26,921.23
  6. Step 6: Final answer
    x = 10,799.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.